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SessionManager Targets Governments and NGOs

Jul 8, 2022 2:33:33 PM / by PolySwarm Tech Team posted in Threat Bulletin, Government, Backdoor, SessionManager, NGO, IIS

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Executive Summary

Kaspersky recently reported on SessionManager, a difficult to detect backdoor targeting governments and NGOs in multiple countries.

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Black Basta Ransomware

Jul 5, 2022 3:33:54 PM / by PolySwarm Tech Team posted in Threat Bulletin, Ransomware, Windows, Linux, Black Basta, Qbot

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Executive Summary

Cybereason recently reported on Black Basta ransomware, which has claimed around 50 victims so far, making it a prominent threat.

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Cerber2021 Targets Windows and Linux

Jun 30, 2022 1:18:47 PM / by PolySwarm Tech Team posted in Threat Bulletin, Ransomware, Cerber, CerberImposter, CVE-2022-26134, Cerber2021

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Executive Summary

Cyble recently reported on the resurgence of Cerber2021 ransomware, which targets both Windows and Linux systems.

Key Takeaways

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PingPull Targets Telecom, Government, and Financial Verticals

Jun 27, 2022 3:56:10 PM / by PolySwarm Tech Team posted in Threat Bulletin, Financial, Government, Telecommunications, PingPull, Gallium

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Executive Summary

Palo Alto’s Unit42 recently reported on PingPull, a RAT used by the Gallium threat actor group to target entities in the telecommunications, government, and financial verticals.

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Lyceum .NET DNS Backdoor “DnsSystem”

Jun 24, 2022 2:22:18 PM / by PolySwarm Tech Team posted in Threat Bulletin, Lyceum, Hexane, Siamese Kitten, DnsSystem, .NET DNS Backdoor

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Executive Summary

Zscaler recently reported on a new .NET DNS backdoor “DnsSystem” used by the threat actor group known as Lyceum. It is primarily used to target entities in the Middle East.

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Symbiote Linux Malware

Jun 20, 2022 12:01:49 PM / by PolySwarm Tech Team posted in Threat Bulletin, Linux, Symbiote

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Executive Summary

Intezer and BlackBerry recently reported on Symbiote, a difficult to detect Linux malware that relies on existing running processes to infect a system.

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Pymafka Targets macOS, Windows, Linux

Jun 17, 2022 2:17:39 PM / by PolySwarm Tech Team posted in Threat Bulletin, Windows, Linux, Python, Pymafka, Cobalt Strike

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Executive Summary

Sonatype recently reported on Pymakfa, a malicious Python package in the PyPl registry dropping Cobalt Strike on macOS, Windows, and Linux.

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Enemybot IoT Malware

Jun 13, 2022 3:47:53 PM / by PolySwarm Tech Team posted in Threat Bulletin, Android, Linux, Enemybot, CMS

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Executive Summary

AT&T Alien Labs recently reported on Enemybot, an internet of things (IoT) malware targeting content management systems (CMS), Linux, and Android.

Key Takeaways

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